title: Genetics of inbred Drosophila melanogaster. VII. Evidence of normal chromosome pairing in the distal ends of X-chromosomes in secondary non-disjunction.
mesh_terms: D000818:Animals; D003433:Crosses, Genetic; D004331:Drosophila melanogaster / Q000235:genetics*; D005260:Female; D005819:Genetic Markers; D008297:Male; D009630:Nondisjunction, Genetic; D010641:Phenotype; D012730:Sex Chromosomes / Q000648:ultrastructure*; D014960:X Chromosome / Q000648:ultrastructure*
chemical_list: D005819:Genetic Markers